silver shark is crazy ?

[carlosbow]

hi guys i have just bought a silver shark and it was fine for a bit but then it lloks as thought it climbing the walls it goes up and down one side of the tank as it lloks as though it can see another shark in front of it !! is this normal ?

cheers guys

 

[tstenback]

A lot of fish do this kind of thing. It is quite normal. Not sure what the attraction is but i have a cory and several platties that are at this constantly.